modules/highgui/src/window.cpp

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This source file includes following definitions.
cvSetWindowProperty
cvGetWindowProperty
namedWindow
destroyWindow
destroyAllWindows
resizeWindow
moveWindow
setWindowProperty
getWindowProperty
waitKey
createTrackbar
setTrackbarPos
setTrackbarMax
getTrackbarPos
setMouseCallback
getMouseWheelDelta
startWindowThread
setOpenGlDrawCallback
setOpenGlContext
updateWindow
glDrawTextureCallback
imshow
imshow
cvSetOpenGlDrawCallback
cvSetOpenGlContext
cvUpdateWindow
fontQt
addText
displayStatusBar
displayOverlay
startLoop
stopLoop
saveWindowParameters
loadWindowParameters
createButton
fontQt
addText
displayStatusBar
displayOverlay
startLoop
stopLoop
saveWindowParameters
loadWindowParameters
createButton
setWindowTitle
cvNamedWindow
cvDestroyWindow
cvDestroyAllWindows
cvShowImage
cvResizeWindow
cvMoveWindow
cvCreateTrackbar
cvCreateTrackbar2
cvSetMouseCallback
cvGetTrackbarPos
cvSetTrackbarPos
cvSetTrackbarMax
cvGetWindowHandle
cvGetWindowName
cvWaitKey
cvInitSystem
cvStartWindowThread
cvAddText
cvDisplayStatusBar
cvDisplayOverlay
cvStartLoop
cvStopLoop
cvSaveWindowParameters
cvCreateButton
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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//  If you do not agree to this license, do not download, install,
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//
//                        Intel License Agreement
//                For Open Source Computer Vision Library
//
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//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
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#include "precomp.hpp"
#include <map>
#include "opencv2/core/opengl.hpp"

// in later times, use this file as a dispatcher to implementations like cvcap.cpp

CV_IMPL void cvSetWindowProperty(const char* name, int prop_id, double prop_value)
{
    switch(prop_id)
    {
    //change between fullscreen or not.
    case CV_WND_PROP_FULLSCREEN:

        if (!name || (prop_value!=CV_WINDOW_NORMAL && prop_value!=CV_WINDOW_FULLSCREEN))//bad argument
            break;

        #if defined (HAVE_QT)
            cvSetModeWindow_QT(name,prop_value);
        #elif defined(HAVE_WIN32UI)
            cvSetModeWindow_W32(name,prop_value);
        #elif defined (HAVE_GTK)
            cvSetModeWindow_GTK(name,prop_value);
        #elif defined (HAVE_CARBON)
            cvSetModeWindow_CARBON(name,prop_value);
        #elif defined (HAVE_COCOA)
            cvSetModeWindow_COCOA(name,prop_value);
        #endif
    break;

    case CV_WND_PROP_AUTOSIZE:
        #if defined (HAVE_QT)
            cvSetPropWindow_QT(name,prop_value);
        #endif
    break;

    case CV_WND_PROP_ASPECTRATIO:
        #if defined (HAVE_QT)
            cvSetRatioWindow_QT(name,prop_value);
        #endif
    break;

    default:;
    }
}

/* return -1 if error */
CV_IMPL double cvGetWindowProperty(const char* name, int prop_id)
{
    if (!name)
        return -1;

    switch(prop_id)
    {
    case CV_WND_PROP_FULLSCREEN:

        #if defined (HAVE_QT)
            return cvGetModeWindow_QT(name);
        #elif defined(HAVE_WIN32UI)
            return cvGetModeWindow_W32(name);
        #elif defined (HAVE_GTK)
            return cvGetModeWindow_GTK(name);
        #elif defined (HAVE_CARBON)
            return cvGetModeWindow_CARBON(name);
        #elif defined (HAVE_COCOA)
            return cvGetModeWindow_COCOA(name);
        #else
            return -1;
        #endif
    break;

    case CV_WND_PROP_AUTOSIZE:

        #if defined (HAVE_QT)
            return cvGetPropWindow_QT(name);
        #elif defined(HAVE_WIN32UI)
            return cvGetPropWindowAutoSize_W32(name);
        #elif defined (HAVE_GTK)
            return cvGetPropWindowAutoSize_GTK(name);
        #else
            return -1;
        #endif
    break;

    case CV_WND_PROP_ASPECTRATIO:

        #if defined (HAVE_QT)
            return cvGetRatioWindow_QT(name);
        #elif defined(HAVE_WIN32UI)
            return cvGetRatioWindow_W32(name);
        #elif defined (HAVE_GTK)
            return cvGetRatioWindow_GTK(name);
        #else
            return -1;
        #endif
    break;

    case CV_WND_PROP_OPENGL:

        #if defined (HAVE_QT)
            return cvGetOpenGlProp_QT(name);
        #elif defined(HAVE_WIN32UI)
            return cvGetOpenGlProp_W32(name);
        #elif defined (HAVE_GTK)
            return cvGetOpenGlProp_GTK(name);
        #else
            return -1;
        #endif
    break;

    default:
        return -1;
    }
}

void cv::namedWindow( const String& winname, int flags )
{
    cvNamedWindow( winname.c_str(), flags );
}

void cv::destroyWindow( const String& winname )
{
    cvDestroyWindow( winname.c_str() );
}

void cv::destroyAllWindows()
{
    cvDestroyAllWindows();
}

void cv::resizeWindow( const String& winname, int width, int height )
{
    cvResizeWindow( winname.c_str(), width, height );
}

void cv::moveWindow( const String& winname, int x, int y )
{
    cvMoveWindow( winname.c_str(), x, y );
}

void cv::setWindowProperty(const String& winname, int prop_id, double prop_value)
{
    cvSetWindowProperty( winname.c_str(), prop_id, prop_value);
}

double cv::getWindowProperty(const String& winname, int prop_id)
{
    return cvGetWindowProperty(winname.c_str(), prop_id);
}

int cv::waitKey(int delay)
{
    return cvWaitKey(delay);
}

int cv::createTrackbar(const String& trackbarName, const String& winName,
                   int* value, int count, TrackbarCallback callback,
                   void* userdata)
{
    return cvCreateTrackbar2(trackbarName.c_str(), winName.c_str(),
                             value, count, callback, userdata);
}

void cv::setTrackbarPos( const String& trackbarName, const String& winName, int value )
{
    cvSetTrackbarPos(trackbarName.c_str(), winName.c_str(), value );
}

void cv::setTrackbarMax(const String& trackbarName, const String& winName, int maxval)
{
    cvSetTrackbarMax(trackbarName.c_str(), winName.c_str(), maxval);
}

int cv::getTrackbarPos( const String& trackbarName, const String& winName )
{
    return cvGetTrackbarPos(trackbarName.c_str(), winName.c_str());
}

void cv::setMouseCallback( const String& windowName, MouseCallback onMouse, void* param)
{
    cvSetMouseCallback(windowName.c_str(), onMouse, param);
}

int cv::getMouseWheelDelta( int flags )
{
    return CV_GET_WHEEL_DELTA(flags);
}

int cv::startWindowThread()
{
    return cvStartWindowThread();
}

// OpenGL support

void cv::setOpenGlDrawCallback(const String& name, OpenGlDrawCallback callback, void* userdata)
{
    cvSetOpenGlDrawCallback(name.c_str(), callback, userdata);
}

void cv::setOpenGlContext(const String& windowName)
{
    cvSetOpenGlContext(windowName.c_str());
}

void cv::updateWindow(const String& windowName)
{
    cvUpdateWindow(windowName.c_str());
}

#ifdef HAVE_OPENGL
namespace
{
    std::map<cv::String, cv::ogl::Texture2D> wndTexs;
    std::map<cv::String, cv::ogl::Texture2D> ownWndTexs;
    std::map<cv::String, cv::ogl::Buffer> ownWndBufs;

    void glDrawTextureCallback(void* userdata)
    {
        cv::ogl::Texture2D* texObj = static_cast<cv::ogl::Texture2D*>(userdata);

        cv::ogl::render(*texObj);
    }
}
#endif // HAVE_OPENGL

void cv::imshow( const String& winname, InputArray _img )
{
    const Size size = _img.size();
#ifndef HAVE_OPENGL
    CV_Assert(size.width>0 && size.height>0);
    {
        Mat img = _img.getMat();
        CvMat c_img = img;
        cvShowImage(winname.c_str(), &c_img);
    }
#else
    const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
    CV_Assert(size.width>0 && size.height>0);

    if (useGl <= 0)
    {
        Mat img = _img.getMat();
        CvMat c_img = img;
        cvShowImage(winname.c_str(), &c_img);
    }
    else
    {
        const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);

        if (autoSize > 0)
        {
            resizeWindow(winname, size.width, size.height);
        }

        setOpenGlContext(winname);

        cv::ogl::Texture2D& tex = ownWndTexs[winname];

        if (_img.kind() == _InputArray::CUDA_GPU_MAT)
        {
            cv::ogl::Buffer& buf = ownWndBufs[winname];
            buf.copyFrom(_img);
            buf.setAutoRelease(false);

            tex.copyFrom(buf);
            tex.setAutoRelease(false);
        }
        else
        {
            tex.copyFrom(_img);
        }

        tex.setAutoRelease(false);

        setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);

        updateWindow(winname);
    }
#endif
}

void cv::imshow(const String& winname, const ogl::Texture2D& _tex)
{
#ifndef HAVE_OPENGL
    (void) winname;
    (void) _tex;
    CV_Error(cv::Error::OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
    const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);

    if (useGl <= 0)
    {
        CV_Error(cv::Error::OpenGlNotSupported, "The window was created without OpenGL context");
    }
    else
    {
        const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);

        if (autoSize > 0)
        {
            Size size = _tex.size();
            resizeWindow(winname, size.width, size.height);
        }

        setOpenGlContext(winname);

        cv::ogl::Texture2D& tex = wndTexs[winname];

        tex = _tex;

        tex.setAutoRelease(false);

        setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);

        updateWindow(winname);
    }
#endif
}

// Without OpenGL

#ifndef HAVE_OPENGL

CV_IMPL void cvSetOpenGlDrawCallback(const char*, CvOpenGlDrawCallback, void*)
{
    CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
}

CV_IMPL void cvSetOpenGlContext(const char*)
{
    CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
}

CV_IMPL void cvUpdateWindow(const char*)
{
    CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
}

#endif // !HAVE_OPENGL

#if defined (HAVE_QT)

cv::QtFont cv::fontQt(const String& nameFont, int pointSize, Scalar color, int weight,  int style, int /*spacing*/)
{
    CvFont f = cvFontQt(nameFont.c_str(), pointSize,color,weight, style);
    void* pf = &f; // to suppress strict-aliasing
    return *(cv::QtFont*)pf;
}

void cv::addText( const Mat& img, const String& text, Point org, const QtFont& font)
{
    CvMat _img = img;
    cvAddText( &_img, text.c_str(), org, (CvFont*)&font);
}

void cv::displayStatusBar(const String& name,  const String& text, int delayms)
{
    cvDisplayStatusBar(name.c_str(),text.c_str(), delayms);
}

void cv::displayOverlay(const String& name,  const String& text, int delayms)
{
    cvDisplayOverlay(name.c_str(),text.c_str(), delayms);
}

int cv::startLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[])
{
    return cvStartLoop(pt2Func, argc, argv);
}

void cv::stopLoop()
{
    cvStopLoop();
}

void cv::saveWindowParameters(const String& windowName)
{
    cvSaveWindowParameters(windowName.c_str());
}

void cv::loadWindowParameters(const String& windowName)
{
    cvLoadWindowParameters(windowName.c_str());
}

int cv::createButton(const String& button_name, ButtonCallback on_change, void* userdata, int button_type , bool initial_button_state  )
{
    return cvCreateButton(button_name.c_str(), on_change, userdata, button_type , initial_button_state );
}

#else

cv::QtFont cv::fontQt(const String&, int, Scalar, int,  int, int)
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
    return QtFont();
}

void cv::addText( const Mat&, const String&, Point, const QtFont&)
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
}

void cv::displayStatusBar(const String&,  const String&, int)
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
}

void cv::displayOverlay(const String&,  const String&, int )
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
}

int cv::startLoop(int (*)(int argc, char *argv[]), int , char**)
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
    return 0;
}

void cv::stopLoop()
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
}

void cv::saveWindowParameters(const String&)
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
}

void cv::loadWindowParameters(const String&)
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
}

int cv::createButton(const String&, ButtonCallback, void*, int , bool )
{
    CV_Error(CV_StsNotImplemented, "The library is compiled without QT support");
    return 0;
}

#endif

#if   defined(HAVE_WIN32UI)   // see window_w32.cpp
#elif defined (HAVE_GTK)      // see window_gtk.cpp
#elif defined (HAVE_COCOA)    // see window_carbon.cpp
#elif defined (HAVE_CARBON)
#elif defined (HAVE_QT)       //YV see window_QT.cpp

#else

// No windowing system present at compile time ;-(
//
// We will build place holders that don't break the API but give an error
// at runtime. This way people can choose to replace an installed HighGUI
// version with a more capable one without a need to recompile dependent
// applications or libraries.

void cv::setWindowTitle(const String&, const String&)
{
    CV_Error(Error::StsNotImplemented, "The function is not implemented. "
        "Rebuild the library with Windows, GTK+ 2.x or Carbon support. "
        "If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script");
}

#define CV_NO_GUI_ERROR(funcname) \
    cvError( CV_StsError, funcname, \
    "The function is not implemented. " \
    "Rebuild the library with Windows, GTK+ 2.x or Carbon support. "\
    "If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script", \
    __FILE__, __LINE__ )


CV_IMPL int cvNamedWindow( const char*, int )
{
    CV_NO_GUI_ERROR("cvNamedWindow");
    return -1;
}

CV_IMPL void cvDestroyWindow( const char* )
{
    CV_NO_GUI_ERROR( "cvDestroyWindow" );
}

CV_IMPL void
cvDestroyAllWindows( void )
{
    CV_NO_GUI_ERROR( "cvDestroyAllWindows" );
}

CV_IMPL void
cvShowImage( const char*, const CvArr* )
{
    CV_NO_GUI_ERROR( "cvShowImage" );
}

CV_IMPL void cvResizeWindow( const char*, int, int )
{
    CV_NO_GUI_ERROR( "cvResizeWindow" );
}

CV_IMPL void cvMoveWindow( const char*, int, int )
{
    CV_NO_GUI_ERROR( "cvMoveWindow" );
}

CV_IMPL int
cvCreateTrackbar( const char*, const char*,
                  int*, int, CvTrackbarCallback )
{
    CV_NO_GUI_ERROR( "cvCreateTrackbar" );
    return -1;
}

CV_IMPL int
cvCreateTrackbar2( const char* /*trackbar_name*/, const char* /*window_name*/,
                   int* /*val*/, int /*count*/, CvTrackbarCallback2 /*on_notify2*/,
                   void* /*userdata*/ )
{
    CV_NO_GUI_ERROR( "cvCreateTrackbar2" );
    return -1;
}

CV_IMPL void
cvSetMouseCallback( const char*, CvMouseCallback, void* )
{
    CV_NO_GUI_ERROR( "cvSetMouseCallback" );
}

CV_IMPL int cvGetTrackbarPos( const char*, const char* )
{
    CV_NO_GUI_ERROR( "cvGetTrackbarPos" );
    return -1;
}

CV_IMPL void cvSetTrackbarPos( const char*, const char*, int )
{
    CV_NO_GUI_ERROR( "cvSetTrackbarPos" );
}

CV_IMPL void cvSetTrackbarMax(const char*, const char*, int)
{
    CV_NO_GUI_ERROR( "cvSetTrackbarMax" );
}

CV_IMPL void* cvGetWindowHandle( const char* )
{
    CV_NO_GUI_ERROR( "cvGetWindowHandle" );
    return 0;
}

CV_IMPL const char* cvGetWindowName( void* )
{
    CV_NO_GUI_ERROR( "cvGetWindowName" );
    return 0;
}

CV_IMPL int cvWaitKey( int )
{
    CV_NO_GUI_ERROR( "cvWaitKey" );
    return -1;
}

CV_IMPL int cvInitSystem( int , char** )
{

    CV_NO_GUI_ERROR( "cvInitSystem" );
    return -1;
}

CV_IMPL int cvStartWindowThread()
{

    CV_NO_GUI_ERROR( "cvStartWindowThread" );
    return -1;
}

//-------- Qt ---------
CV_IMPL void cvAddText( const CvArr*, const char*, CvPoint , CvFont* )
{
    CV_NO_GUI_ERROR("cvAddText");
}

CV_IMPL void cvDisplayStatusBar(const char* , const char* , int )
{
    CV_NO_GUI_ERROR("cvDisplayStatusBar");
}

CV_IMPL void cvDisplayOverlay(const char* , const char* , int )
{
    CV_NO_GUI_ERROR("cvNamedWindow");
}

CV_IMPL int cvStartLoop(int (*)(int argc, char *argv[]), int , char* argv[])
{
    (void)argv;
    CV_NO_GUI_ERROR("cvStartLoop");
    return -1;
}

CV_IMPL void cvStopLoop()
{
    CV_NO_GUI_ERROR("cvStopLoop");
}

CV_IMPL void cvSaveWindowParameters(const char* )
{
    CV_NO_GUI_ERROR("cvSaveWindowParameters");
}

// CV_IMPL void cvLoadWindowParameterss(const char* name)
// {
//     CV_NO_GUI_ERROR("cvLoadWindowParameters");
// }

CV_IMPL int cvCreateButton(const char*, void (*)(int, void*), void*, int, int)
{
    CV_NO_GUI_ERROR("cvCreateButton");
    return -1;
}


#endif

/* End of file. */
/* [<][>][^][v][top][bottom][index][help] */
root/modules/highgui/src/window.cpp

DEFINITIONS
